Our hero wakes up one day in a brand new world…but his new life doesn’t come with fighting skills or magic powers, or even arms and legs! He’s reborn as a helpless egg, stuck in an unfamiliar forest surrounded by terrifying, hungry beasts. But eggs hatch, hatchlings grow up, and humble beginnings can lead to something great. He’ll do his best to become the strongest dragon ever, and no measly shell will get in his way!

Early 2000s Tokyo. Isobe, a combatant for the evil corporation Ganglion, spends his days on the battlefield. Whether it's the "Tokyo Cedar Pollen Operation" or the "Mount Fuji Demolition Plan," he faces off in nothing but a bodysuit, only to be crushed by the hero Hopeman time and again. As he struggles under unreasonable bosses during the dawn of compliance, his story unfolds—a workplace drama dedicated to all who work, following the bittersweet life of a salaryman soldier.

It's 1863, the twilight of the shogunate, and Japan is on the cusp of monumental change. The streets of the nation's capital are soaked in blood as political upheaval and rising tensions between masterless, wandering ronin and government samurai set the stage for one of the most turbulent times in Japan's history. Young orphan Nio is no stranger to the harsh realities of the world, and yet he can't help but cling to his burning passion for justice and desire to change the world for the better. One day, he crosses paths with two men who will become central figures of the coming revolution: Hijikata Toshizo and Okita Souji, two of the founding members of a group of hated ronin known as the Miburo—who would later become known as the Shinsengumi. Inspired by the efforts of the so-called "Blues Wolves of Mibu," Nio decides to join the ranks to help carve a path to the world he wishes to see. But with new betrayals and reversals every day, will Nio be able to stay true to his conscience?

Rei Ichidou, Gou Reietsu, Kiyoshi Shusse, Jin Daima, and Dai Monohoshi are five mischievous boys attending Ichiou Junior High. Each with an eccentric personality and a knack for chaos, they've earned a reputation as the infamous "Kimen-gumi." One day, new transfer student Yui Kawa and her friend Chie Uru encounter the group and soon find themselves drawn into their antics. Around them are other colorful cliques—from the handsome "Iro Otoko-gumi" led by Shou Kireide, to the delinquent "Ban-gumi" led by You Nihiruda, the athletic "Ude-gumi" led by Kai Undou, and the tough girl squad "Onna-gumi" led by Jako Amano. As time passes and a new spring begins, the everyday lives of these eccentric students unfold in a lively and comedic school story.